Checking tire temps

And also read instructions that comes with it. Because big difference in taking temp at 6" away and 2 feet. So to keep the same distance everytime reading temps. I stand with my arm straight against the rv. And other arm with gun. That way I feel I'm getting a consistant reading everytime I check tires. I also do it just after stopping as much as possible. I also do a visual of the tire for bulges outside and inside as much as practical and make sure my (problem) valve extenders are centered and at same time listen for air leaks and look to make sure no new shiny metal at lug nuts.

And if I was still truck driving or if I had room on rv, I'd beat on the tire tread once with hammer and listen for a little "bing" noise. Ones that don't "bing" are little suspect and need a watchful eye.